diff --git a/source/panel/evaluator/requirements.txt b/source/panel/evaluator/requirements.txt
index 250bc49c4..e014c579e 100644
--- a/source/panel/evaluator/requirements.txt
+++ b/source/panel/evaluator/requirements.txt
@@ -1,7 +1,7 @@
 python-dotenv
 PyPDF2
 streamlit==1.37.0
-langchain==0.1.11
+langchain==0.3.9
 openai==1.1.0
 tiktoken==0.5.1
 boto3==1.28.84